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440GX – Power PC 440GX Embedded Processor
52
AMCC
Revision 1.15 – August 30, 2007
Data Sheet
EMCRxD0:3,
EMC0RxD0:1,
EMC1RxD0:1,
EMC0RxD,
EMC1RxD,
EMC2RxD,
EMC3RxD,
GMCTxD0:1,
GMC0TxD0:1,
TBITxD0:1,
RTBI0TxD0:1
MII: Receive data
RMII 0: Receive data
RMII 1: Receive data
SMII 0: Receive data
SMII 1: Receive data
SMII 2: Receive data
SMII 3: Receive data
GMII: Transmit data
RGMII 0: Transmit data
TBI: Transmit data
RTBI 0: Transmit data
I/O
3.3V tolerant
2.5V CMOS
EMCRxDV,
EMC1CrSDV,
GMCTxD4,
GMC1TxD0,
TBITxD4,
RTBI1TxD0
MII: Receive data valid
RMII 1: Carrier sense data valid
GMII: Transmit data
RGMII 1: Transmit data
TBI: Transmit data
RTBI 1: Transmit data
I/O
3.3V tolerant
2.5V CMOS
EMCRxClk,
GMCTxD5,
GMC1TxD1,
TBITxD5,
RTBI1TxD1
MII: Receive clock
GMII: Transmit data
RGMII 1: Transmit data
TBI: Transmit data
RTBI 1: Transmit data
I/O
3.3V tolerant
2.5V CMOS
EMCRxErr,
EMC0RxErr,
GMCTxD6,
GMC1TxD2,
TBITxD6,
RTBI1TxD2
MII: Receive error
RMII 0: Receive error
GMII: Transmit data
RGMII 1: Transmit data
TBI: Transmit data
RTBI 1: Transmit data
I/O
3.3V tolerant
2.5V CMOS
EMCTxClk,
EMCRefClk
MII: Transmit clock
RMII and SMII: Reference clock
I
3.3V tolerant
2.5V CMOS
5
EMCTxD0:3,
EMC0TxD0:1,
EMC1TxD0:1,
EMC0TxD,
EMC1TxD,
EMC2TxD,
EMC3TxD,
GMCTxD2:3,
GMC0TxD2:3,
TBITxD2:3,
RTBI0TxD2:3
MII: Transmit data
RMII 0: Transmit data
RMII 1: Transmit data
SMII 0: Transmit data
SMII 1: Transmit data
SMII 2: Transmit data
SMII 3: Transmit data
GMII: Transmit data
RGMII 0: Transmit data
TBI: Transmit data
RTBI 0: Transmit data
O
3.3V tolerant
2.5V CMOS
EMCTxEn,
EMC0TxEn,
EMCSync
MII: Transmit data enabled
RMII 0: Transmit data enabled
SMII: Sync signal
O
3.3V tolerant
2.5V CMOS
EMCTxErr,
EMC1TxEn,
GMCRxClk,
GMC0RxClk,
TBIRxClk0,
RTBI0RxClk
MII: Transmit error:
RMII: Transmit data enabled
GMII: Receive clock
RGMII: Receive clock
TBI: Receive clock 0
RTBI: Receive clock
I/O
3.3V tolerant
2.5V CMOS
GMCCD,
GMC1RxClk,
RTBI1RxClk
GMII: Collision detection
RGMII: Receive clock
RTBI: Receive clock
I
3.3V tolerant
2.5V CMOS
5
Signal Functional Description
(Sheet 3 of 8)
Notes:
1. Receiver input has hysteresis
2. Must pull up (recommended value is 3k
Ω
to 3.3V
)
3. Must pull down (recommended value is 1k
Ω
)
4. If not used, must pull up (recommended value is 3k
Ω
to 3.3V)
5. If not used, must pull down (recommended value is 1k
Ω
)
6. Strapping input during reset; pull-up or pull-down required
Signal Name
Description
I/O
Type
Notes